<template>
    <header class="header">
        <h1>小黑记事本</h1>
        <input placeholder="请输入任务" class="new-todo" v-model="todaName" />
        <button class="add" @click="add">添加任务</button>
    </header>
</template>

<script>
export default {
    data() {
        return {
            todaName: ''
        }
    },
    methods: {
        add() {
            this.$emit('add', this.todaName)
            this.todaName = ''
        }
    }
};
</script>

<style></style>